On Fri, Sep 21, 2012 at 10:15:01AM +0530, Lokesh Walase wrote: > 0.I read that ANSI C rules for variable declaration says that one must declare > the variables at the beginning of any scope block. > C99 onwards we are allowed to declare variables as & how required. > > 1.NOW, my doubt is what happens in the actual "practical/real-world" codes that > are written in industry. > Do everyone *strictly* follow the ANSI C rules & declare the variables at the > beginning of the scope ? Yes, I do. > 2.Also , why are we still following that old rule ? Is it so that old codes of > 70s can be used with new codes ? Because I like it. And I think it's better sometimes, for example, variable declaration you mentioned, it's eaiser to trace all variables by following the ANSI C standard. ANSI C codes can be used with any modern compiler. And you can mix it with other newer standards. > 3.There must be some standard that all of us need to follow , so what are they > ? May be the standards followed by most people are gnu89(ANSI C with GCC extensions) and C99. PS, this is kind of out of topic in a kernel mail-list. -- Regards, Adam Lee http://adam8157.info _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
